20a242c27e
sync mos6502 from my last core generator checkin
2012-03-15 20:40:50 +00:00
c6fcda4418
6502 disassembler: print the destination address of branch, not the offset
2012-03-10 19:10:12 +00:00
9ab33cba8b
6502: partially implemented unofficial NOPs for "Puzznic (U)", "Puzznic (J)".
...
It is quite insufficient, but at least, we have to increment program counter appropriately.
For immediate addressing mode, it will be correct. For other addressing modes, I don't know whether they access memory, so further investigation will be needed.
2012-03-08 16:48:36 +00:00
26ff1a1bc5
cosmetics (indent for BRK opcode)
2012-03-08 15:33:52 +00:00
14cbe68303
fix 6502 disassembly
2011-06-10 03:43:17 +00:00
72100bd304
[NES] ELROM emulation (cv3 and laser invasion tested) and core savestate logic brought up to date. savestates for newer mappers still need reworking.
2011-06-09 19:45:07 +00:00
d0ea2f7106
[NES] one last cpu bug
2011-06-07 01:31:06 +00:00
00debfe6dd
[NES] battletoads beyotch
2011-06-07 01:05:57 +00:00
e6afb2359b
[nes] timing and accuracy work.
2011-06-06 10:27:42 +00:00
db28312787
[NES] fully consolidated text/binary serialization, and don't save screen buffer to binary savestates
2011-04-17 22:51:53 +00:00
2fe2aae243
[NES] rewind for the masses
2011-03-21 02:22:10 +00:00
6493b65690
[NES] fix some input bugs
2011-03-20 02:25:47 +00:00
f7bf5bdd17
[NES] fix some interrupt-related bugs to pass more cpu tests, add reset handling, improve iNES header handling some more
2011-03-20 02:12:10 +00:00
c7f0c457ad
[NES] work on sound, improve square waves muchly, add 6502 IRQ signal, make add some infrastructure to keep from buffering samples while core is silenced.
2011-03-19 09:12:56 +00:00
0d5cff7408
[NES] mapper cleanup and savestates
2011-03-01 09:32:12 +00:00
c21d92f694
[NES] add SxROM (mmc1), including save ram support. also add some undocumented NOP variants to 6502 core because I thought I needed them
2011-03-01 07:25:14 +00:00
ee336bec15
[NES] add 6502 BRK instruction and some mapper=2 games (incl. castlevania and megaman)
2011-02-28 07:53:19 +00:00
4e85d82f14
update 6502 core generator legit-like
2011-02-27 09:49:53 +00:00
c5febf8e20
neshawk!! emulate attractmode without bugs = initial checkin
2011-02-27 09:45:50 +00:00
89e4c5a674
2011-01-11 02:55:51 +00:00
zeromus